High proper motion normally indicates a nearby star, so displaying proper motion labels is a quick way of spotting such stars.
高自行通常表示是一颗近距离恒星，所以显示自行标签是确准此类恒星位置的快捷途径。
Astronomers who examined eight relatively nearby galaxies have found evidence of a surprisingly high abundance of faint, low-mass stars — each has about 10 times as many as the Milky Way.
对八个相对较近的星系进行了测算的天文学家们找到证据——有令人惊异的数量的黯淡的低质量恒星存在，它们每一个都跟银河的十倍那样多。
"Stars in the center of the Milky Way are old and 'metal-rich' with a high abundance of heavy elements," Bobrowsky said.
银河中心的恒星都比较古老，富集金属元素，重元素的丰度很高。
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